P. Vladigerov
Tsar Kaloyan, Act II, Scena I
Sabin Markov, Boyan Katsarski, Nikola Nikolov, Sofia National Opera Orchestra, Aleksandar Vladigerov, Maria Ventsislavova, Boris Bogdanov, Lyuben Mihailov, Evgenia Babacheva, Sofia National Opera Chorus, Milen Paounov, Zhivko Pranchev, Reni Penkova
Tsar Kaloyan, Act II, Scena II
Sofia National Opera Orchestra, Maria Ventsislavova, Aleksandar Vladigerov, Nikola Nikolov, Luben Mihailov